Open jckarter opened 3 months ago
Interesting! Thank you for testing! I've added support for CMPXCHG in the latest source. But, I cannot test in my environment if it is correct. Let me know if it makes your Linux kernel run!
Nice, thanks! I'll give it a try when the next binary gets tagged.
For fun, I tried building a recent Linux 6.9 kernel using Osamu Kurati's FM TOWNS patchset (http://www.nurs.or.jp/~kurati/towns/#kernel) When trying to boot it in Tsugaru, the VM halts on an unhandled instruction:
0FB1
is the encoding forCMPXCHG
according to https://www.felixcloutier.com/x86/cmpxchg .